Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    28/07/2026, 00:22

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260728-apd7saea86
  • SHA256 4fe08036b8c648c16e98437c4bc9611de70829022697f80cce5b978e42cc415e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 6 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Sets service image path in registry 3 TTPs 1 IoCs

    This determines the executable launched when a service starts. It can be used to establish persistence.

  • ConnectWise ScreenConnect remote access tool

    ConnectWise ScreenConnect is a remote desktop tool that can be used as a backdoor.

  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Boot or Logon Autostart Execution: Authentication Package 1 TTPs 1 IoCs

    Suspicious Windows Authentication Registry Modification.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops file in System32 directory 10 IoCs
  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 13 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 42 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 13 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3924
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\76232f7f8cf18d62\ScreenConnect.ClientSetup.msi" SC_EXE_PATH="C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
      2⤵
      • Badlisted process makes network request
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:1712
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Boot or Logon Autostart Execution: Authentication Package
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4460
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding E181A7E55778C2AA08756DF259D24785 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2832
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI6368.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240673750 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4552
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI684B.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240674921 11 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4508
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI6E57.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240676437 18 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4356
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1044
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding A28CC9955F73A8AF5042EEAB9A3FA03E
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4280
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding EEF45D19F7C7D5DC8C4F4B0370C8CC58 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3576
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:216
    • C:\Program Files (x86)\ScreenConnect Client (76232f7f8cf18d62)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (76232f7f8cf18d62)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-rwzgfh-relay.screenconnect.com&p=443&s=f7dbdb01-fadc-491a-acbb-f7d6d46c7b32&k=BgIAAACkAABSU0ExAAgAAAEAAQDto35eczTgCyq46Ffkdiwcgo89fdZs%2bcbw3LneAdXWFOtYQcL8BX3ddDnSy%2bXw6j535scNgfnN11Nre5Oah0fWexH%2bI%2bJ2SRexERcDxakApHttMQm4gp0jTimMQMyd0umPTOmgaB0ugk54hrxk6eEOKwVCku1EEG6OMasin4zDloG94RYgBIOUEN1a8W3I6D4zd0jJzCMNZj9RM3HeuQhTYEKrxxit2bzz7O19EKcgvnQf478j3teIjC85YbjPIsuy0KXo3plX5uUeORTXqjSYCys9ptNQbEF250Unj0lLgchDOdjGjVp719OdS1tPvAf2pq4m8AL4RVCJPoX9alHK&c=conservairrigation&c=&c=&c=&c=&c=&c=&c="
      1⤵
      • Sets service image path in registry
      • Drops file in System32 directory
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3868
      • C:\Program Files (x86)\ScreenConnect Client (76232f7f8cf18d62)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (76232f7f8cf18d62)\ScreenConnect.WindowsClient.exe" "RunRole" "fd0c4d26-c562-4eeb-887b-c5c6d9dca4af" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2756
      • C:\Program Files (x86)\ScreenConnect Client (76232f7f8cf18d62)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (76232f7f8cf18d62)\ScreenConnect.WindowsClient.exe" "RunRole" "1a6babfa-92d0-4b31-9205-350ad918a52d" "System"
        2⤵
        • Drops file in System32 directory
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:4036

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e58b439.rbs

          • Path C:\Config.Msi\e58b439.rbs
          • Size 214KB
          • SHA256 ff8404012d1ad70df12326e844054d8f034f5529d97a4e9f5d755f05a7758b46
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (76232f7f8cf18d62)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (76232f7f8cf18d62)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (76232f7f8cf18d62)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (76232f7f8cf18d62)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (76232f7f8cf18d62)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (76232f7f8cf18d62)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (76232f7f8cf18d62)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (76232f7f8cf18d62)\system.config
          • Size 952B
          • SHA256 39e56280d6d26a760a0ab86ea1226b97b4269214fcb2fee34ac02f020e585875
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 727B
          • SHA256 e482710d27516766650249885dde7c89f2b9acf7954765f032367f67848ebb6b
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 7871ecf32071c6954d6a5e42251773bc12b95064ba53e0a9c0773d9a9dcd1dc0
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 404B
          • SHA256 07d81a2bfb62db45d8f50be09164cd183e91c665ee484fb2afdea4384ee80aa8
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 f2ca773f5c1bbd0db2a7f34d6ac5a7dd1fa30689a22164b9c8f464dd65df8f75
          • MD5 SHA1 SHA512 TLSH

          rundll32.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\rundll32.exe.log
          • Size 746B
          • SHA256 ddebb6b1094dbef9e96754a74ebd4761d857864c9bd0b5f20a97259a6d7c8fe0
          • MD5 SHA1 SHA512 TLSH

          MSI6368.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6368.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6368.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6368.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6368.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6368.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI684B.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI684B.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7c27380976a5befc5a947e129eb464123f46d06cf0eb7f984ced921f36e1d0e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\76232f7f8cf18d62\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 c0a856762ad72c64eca7711705db9a12c82c4014fcdc3b9b2e26edbb2e1b317a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIB65C.tmp

          • Path C:\Windows\Installer\MSIB65C.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          55xv2hi3.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (76232f7f8cf18d62)\55xv2hi3.newcfg
          • Size 683B
          • SHA256 dc24891e31b421be515b49a86a4e3da7b74978f10f0bc4593cd9110ae054c318
          • MD5 SHA1 SHA512 TLSH

          o2xocnyt.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (76232f7f8cf18d62)\o2xocnyt.newcfg
          • Size 884B
          • SHA256 ae855f6d3c816a93f163e95bc5303de68d11c12a45bdac5b9744fd3795c42e43
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (76232f7f8cf18d62)\user.config
          • Size 520B
          • SHA256 61888efb0465f05d7984d0d0ee42c52de9beed8b276923b5caf8dbb2fbb49dd7
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 739d3a950ae37c46faf9a7d9551bb599391a07850d4ecbb4b02097c40bebd489
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {7ad9e1c7-08d3-4d46-8a23-a4a29b279b18}_OnDiskSnapshotProp

          • Path \??\Volume{cd0aa2ae-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{7ad9e1c7-08d3-4d46-8a23-a4a29b279b18}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 ab5a27a703dc2c0b967c70015672b200ad3c1dbb24b5bfbf1ff47d4c6ee5a28e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2756-233-0x0000000002470000-0x00000000024DC000-memory.dmp

          memory/2756-238-0x000000001C3B0000-0x000000001C536000-memory.dmp

          memory/2756-237-0x0000000002310000-0x000000000232A000-memory.dmp

          memory/2756-236-0x000000001B3F0000-0x000000001B5A0000-memory.dmp

          memory/2756-232-0x0000000000200000-0x00000000002AE000-memory.dmp

          memory/2756-235-0x000000001B1A0000-0x000000001B234000-memory.dmp

          memory/3868-177-0x0000000003C00000-0x0000000003C94000-memory.dmp

          memory/3868-213-0x0000000003E00000-0x0000000003E6C000-memory.dmp

          memory/3868-181-0x0000000003E70000-0x0000000004020000-memory.dmp

          memory/3868-171-0x0000000003B40000-0x0000000003B5A000-memory.dmp

          memory/3868-218-0x00000000042A0000-0x0000000004376000-memory.dmp

          memory/3868-194-0x0000000003D40000-0x0000000003D90000-memory.dmp

          memory/3868-216-0x0000000003D90000-0x0000000003DD1000-memory.dmp

          memory/3868-214-0x00000000040C0000-0x0000000004152000-memory.dmp

          memory/3924-2-0x0000000005CD0000-0x0000000005CE0000-memory.dmp

          memory/3924-1-0x0000000001C40000-0x0000000001C48000-memory.dmp

          memory/3924-0-0x0000000005CD0000-0x0000000005CE0000-memory.dmp

          memory/3924-3-0x0000000001C70000-0x0000000001C7C000-memory.dmp

          memory/3924-5-0x00000000035C0000-0x00000000035E8000-memory.dmp

          memory/3924-8-0x0000000005CD0000-0x0000000005CE0000-memory.dmp

          memory/3924-6-0x0000000005CE0000-0x0000000005E90000-memory.dmp

          memory/3924-4-0x0000000005B80000-0x0000000005C14000-memory.dmp

          memory/3924-7-0x0000000006440000-0x00000000069E4000-memory.dmp

          memory/4508-85-0x0000000004760000-0x0000000004788000-memory.dmp

          memory/4552-41-0x00000000027C0000-0x00000000027EE000-memory.dmp

          memory/4552-45-0x0000000002800000-0x000000000280C000-memory.dmp

          memory/4552-49-0x00000000028D0000-0x0000000002964000-memory.dmp

          memory/4552-53-0x0000000004F00000-0x00000000050B0000-memory.dmp